KenKen combines Sudoku-style digit placement with arithmetic cage constraints across 4×4, 5×5, and 6×6 grids. Solve the cages, complete the rows, and beat the puzzle!
Codeword is a clueless crossword driven by a hidden substitution cipher. Each number represents a letter — start from the given letters, decode the rest, and fill the whole grid with valid words across four difficulty levels.
Lexica is a word-grid puzzle that blends crossword, Scrabble, and Sudoku mechanics. Slide the letter tiles in each row into the right positions so every row and column simultaneously forms a valid English word.
Challenge your brain with SetSquare, a daily arithmetic logic grid puzzle! Place numbers 1 to 9 in the 3x3 grid to satisfy all horizontal and vertical calculations.
Word Search is a classic vocabulary puzzle where words are hidden in a grid of letters. Find all the words before time runs out by dragging across the letters in any direction.
Sum-10 (often called Make 10, Ten Pair, or Number Match) is an incredibly engaging and addictive logic puzzle that will test your pattern recognition, mathematical addition, and planning skills.
Minesweeper is the ultimate test of logic and deduction. Clear the field without hitting a single mine!
Nurikabe is a spatial logic puzzle where you separate numbered islands with a continuous sea of walls, following strict connectivity rules.
Futoshiki is a logic puzzle game from Japan where you fill a grid with numbers according to greater-than and less-than signs.
Numbers to Words Converter is a free online utility that instantly converts any number into its written English word equivalent.
Kriss Kross is a popular, logic-based, combinatorial word-placement puzzle.
Sudoku is a popular, logic-based, combinatorial number-placement puzzle.